Patents by Inventor Xie De Long

Xie De Long has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ginkgo biloba composition, method to prepare the same and uses thereof
    Patent number: 6030621
    Abstract: This invention provides different compositions extracted from Ginkgo biloba leaves. Said compositions comprise new active components. This invention also provides a method of preparation of the compositions and individual components of said compositions. Finally, this invention provides various uses of this composition.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: February 29, 2000
    Inventors: Xie De Long, Wang Ning, Gao Qi, Zhang Guo An, Shao Bao Ping, Jin Xiao Wu, Huang Xin Sheng